<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Video Downloader</title>

    <!-- Bootstrap CSS -->
    <link href="./bootstrap.min.css" rel="stylesheet" />
    <script>
      document.addEventListener("DOMContentLoaded", function () {
        document
          .getElementById("submit")
          .addEventListener("click", function (e) {
            e.preventDefault();

            var videoUrl = document.getElementById("videoUrl").value;
            if (!videoUrl) {
              alert("Please enter a video URL.");
              return;
            }

            const requestData = { url: videoUrl };
            const resultDom = document.getElementById("result");
            const loadingDom = document.getElementById("loading");
            const copyDom = document.getElementById("autocopy");
            if (loadingDom) loadingDom.hidden = false;
            if (copyDom) copyDom.hidden = true;
            if (resultDom) resultDom.hidden = true;
            fetch("/workflow", {
              method: "POST",
              headers: {
                "Content-Type": "application/json",
              },
              body: JSON.stringify(requestData),
            })
              .then((response) => response.json())
              .then((data) => {
                if (resultDom) resultDom.hidden = false;
                if (loadingDom) loadingDom.hidden = true;
                if (copyDom) copyDom.hidden = false;
                if (data.code === 0 && data.data.length > 0) {
                  resultDom.innerHTML = data.data.join(",\n");
                  // data.data.forEach((downloadUrl, index) => {
                  //   setTimeout(() => {
                  //     var a = document.createElement('a');
                  //     a.href = downloadUrl;
                  //     a.download = `downloaded_video_${index}`;
                  //     document.body.appendChild(a);
                  //     a.click();
                  //     document.body.removeChild(a);
                  //   }, index * 100);
                  // });
                } else {
                  alert("Failed to get download URLs");
                }
              })
              .catch((error) => {
                console.error("There was an error!", error);
              });
          });
      });
      function copyTextToClipboard(textToCopy) {
        return new Promise((resolve, rejcet) => {
          const tempInput = document.createElement('input');
          tempInput.style.position = 'absolute';
          tempInput.style.left = '-9999px';
          tempInput.value = textToCopy;
          document.body.appendChild(tempInput);
          tempInput.select();
          try {
            const successful = document.execCommand('copy');
            const msg = successful ? '成功' : '失败';
            resolve(msg)
          } catch (err) {
            rejcet(err)
          }
          document.body.removeChild(tempInput);
        })
  }
      function copyToClipboard() {
        var resultDom = document.getElementById("result");
        var textToCopy = resultDom.value;
        const isHaveClipboard = navigator.clipboard?.writeText
        const copyFuc = navigator.clipboard?.writeText || copyTextToClipboard 
        let successCopy = false;
        if (isHaveClipboard) {
          navigator.clipboard.writeText(textToCopy)
          .then(function () {
            successCopy = true
          })
          .catch(function (error) {
            successCopy = false
          });
        }
        if (!successCopy) {
          copyTextToClipboard(textToCopy).then(function () {
            alert('复制成功')
          })
          .catch(function (error) {
            alert('复制失败')
          });
        }
      }
    </script>
  </head>
  <body>
    <div class="container mt-3">
      <div class="row justify-content-md-center">
        <div class="col-md-6">
          <h1 class="mb-3 fs-1 align-baseline text-capitalize fst-italic">Douyin Media Downloader</h1>
          <form id="downloadForm" class="flex">
            <div class="form-group mb-3">
              <textarea
                type="textarea"
                class="form-control"
                id="videoUrl"
                style="min-height: 6rem;"
                placeholder="粘贴抖音分享地址（只能粘贴一条）"
              ></textarea>
            </div>
            <button id="submit" class="btn btn-primary">
              <span
                id="loading"
                class="spinner-border spinner-border-sm"
                hidden
                aria-hidden="true"
              ></span>
              解析
            </button>
          </form>
          <textarea
            class="result textarea form-control mt-5"
            id="result"
            placeholder="解析后的下载地址"
            disabled
            hidden
            style="min-height: 8rem;"
          ></textarea>
          <button
            onclick="copyToClipboard()"
            id="autocopy"
            class="btn btn-primary mt-3"
            data-clipboard-target="#foo"
            hidden
          >
            一键复制
          </button>
        </div>
      </div>
    </div>
    <a href="/readme" class="github-corner" aria-label="View source on GitHub"><svg width="80" height="80" viewBox="0 0 250 250" style="fill:#151513; color:#fff; position: absolute; top: 0; border: 0; right: 0;" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a><style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style>
  </body>
</html>
